Pool skimmer



FIG. 1 is a rear view of a pool skimmer showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top, rear and right-side perspective view thereof;

FIG. 6 is a bottom, front and left-side perspective view thereof;

FIG. 7 is a front, top and right-side perspective view thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a top view thereof. 

I claim the ornamental design for a pool skimmer, as shown and described. 